Two liquids A and B have same boiling point. Liquid A is kept at sea level and B is kept at mountaintop. Which of the following is correct observation on heating
Question
Two liquids A and B have same boiling point. Liquid A is kept at sea level and B is kept at mountaintop. Which of the following is correct observation on heating
Solution
The correct observation would be that liquid B, which is at the mountaintop, would boil at a lower temperature than liquid A, which is at sea level. This is due to the difference in atmospheric pressure at these two locations.
At sea level, the atmospheric pressure is higher, which means that more energy (heat) is required to make the liquid boil. On the mountaintop, the atmospheric pressure is lower, so less energy is required to make the liquid boil.
Therefore, even though the two liquids have the same boiling point under the same conditions, the boiling point is affected by the atmospheric pressure of the location where the liquid is being heated.
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